Ockham's relation to Thomas Aquinas and John Duns Scotus in his formulation of the doctrine of real presence
Burr, David Dwight.
Ann Arbor,Mich. London University Microfilms International
1967

Includes bibliography
William, of Ockham, approximately 1285-approximately 1349
Thomas, Aquinas, Saint, 1225?-1274
Duns Scotus, John, approximately 1266-1308